WP_Roles

26#[AllowDynamicProperties]27class WP_Roles {28	/**29	 * List of roles and capabilities.30	 *31	 * @since 2.0.032	 * @var array[]33	 */34	public $roles;35 36	/**37	 * List of the role objects.38	 *39	 * @since 2.0.040	 * @var WP_Role[]41	 */42	public $role_objects = array();43 44	/**45	 * List of role names.46	 *47	 * @since 2.0.048	 * @var string[]49	 */50	public $role_names = array();51 52	/**53	 * Option name for storing role list.54	 *55	 * @since 2.0.056	 * @var string57	 */58	public $role_key;59 60	/**61	 * Whether to use the database for retrieval and storage.62	 *63	 * @since 2.1.064	 * @var bool65	 */66	public $use_db = true;67 68	/**69	 * The site ID the roles are initialized for.70	 *71	 * @since 4.9.072	 * @var int73	 */74	protected $site_id = 0;75 76	/**77	 * Constructor.78	 *79	 * @since 2.0.080	 * @since 4.9.0 The `$site_id` argument was added.81	 *82	 * @global array $wp_user_roles Used to set the 'roles' property value.83	 *84	 * @param int $site_id Site ID to initialize roles for. Default is the current site.85	 */86	public function __construct( $site_id = null ) {87		global $wp_user_roles;88 89		$this->use_db = empty( $wp_user_roles );90 91		$this->for_site( $site_id );92	}93 94	/**95	 * Makes private/protected methods readable for backward compatibility.96	 *97	 * @since 4.0.098	 *99	 * @param string $name      Method to call.100	 * @param array  $arguments Arguments to pass when calling.101	 * @return mixed|false Return value of the callback, false otherwise.102	 */103	public function __call( $name, $arguments ) {104		if ( '_init' === $name ) {105			return $this->_init( ...$arguments );